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wherein the EntityManagerFactory objects are being locked during EntityManager object creation.  Please refer ... to understand any underlying EntityManagerFactory locking mechanism to get deeper insight into ... with ObjectDB wherein the EntityManagerFactory objects are being locked during EntityManager object

don't understand. 1. the server is running in embedded mode 2. the static EntityManagerFactory (m ... and static EntityManagerFactory Object (i.e. m_manager_factory ) as you can see in the screenshot ... is, that there are 248 com.objectdb.jdo.PMImpl Objects left, and the root gc is as well the EntityManagerFactory

gupta Your question is unclear. You can close each EntityManagerFactory by using the close method. By the way, creating an  EntityManagerFactory is relatively slow. It is usually better to use one  EntityManagerFactory per application, with multiple  EntityManager instances for multiple database connections. support Support

void main(String[] args) {   EntityManagerFactory emf = null;   EntityManager em = null ... to the slave database (10,001) and get results, just before EntityManagerFactory switches ... also noticed, if EntityManagerFactory is created while the master (10,000) is already down, we fail

could not be released. Not even after the EntityManagerFactory closed. We created a small test ... will automatically be released (if the pool is not disabled) on EntityManagerFactory close.   support Support ... ) on EntityManagerFactory close. However, there are other structures that should be released

: Attempt to obtain a connection from a closed EntityManagerFactory at com.objectdb.o ... a connection from a closed EntityManagerFactory at com.objectdb.o.MSG.d(MSG.java:61) at com.objectdb.o.OMF.al

) EntityManager::createEntityGraph(String) EntityManager::getEntityGraph(String) EntityManagerFactory ... , XML descriptor element, or added by means of the EntityManagerFactory .addNamedEntityGraph method

persistence unit. Properties are inherited from the EntityManagerFactory , that is, they may be specified via persistence.xml or Persistence.createEntityManagerFactory . See Also: EntityManagerFactory

Jakarta Persistence (JPA) Method in jakarta.persistence.EntityManager EntityManagerFactory getEntityManagerFactory() The entity manager factory which created this entity manager. Returns: the EntityManagerFactory . Throws: IllegalStateException - if the entity manager has been closed. Since: Jakarta Persistence (JPA) 2.0

Jakarta Persistence (JPA) Method in jakarta.persistence.Persistence EntityManagerFactory createEntityManagerFactory (    String persistenceUnitName ) Create and return an EntityManagerFactory for the named persistence unit. Parameters: persistenceUnitName - the name of the persistence

Jakarta Persistence (JPA) Method in jakarta.persistence.Persistence EntityManagerFactory createEntityManagerFactory (    String persistenceUnitName ,    Map properties ) Create and return an EntityManagerFactory for the named persistence unit, using the given properties

Jakarta Persistence (JPA) Method in jakarta.persistence.Persistence EntityManagerFactory createEntityManagerFactory (    PersistenceConfiguration configuration ) Create and return an EntityManagerFactory for the named persistence unit, using the given properties. Parameters

Jakarta Persistence (JPA) Method in jakarta.persistence.PersistenceConfiguration EntityManagerFactory createEntityManagerFactory() Create a new EntityManagerFactory based on this configuration. Throws: PersistenceException - if required configuration is missing or if the factory could not be created. Since: Jakarta Persistence (JPA) 1.0

? When should I use the close method of  EntityManagerFactory and EntityManager? As long as ... the close method of  EntityManagerFactory and EntityManager? You can close the  EntityManagerFactory when the web application is closed (see this example ). Usually  EntityManager

.persistence. EntityManagerFactory ; import javax.persistence.Id; import javax.persistence.ManyToMany; import ... t = new Test(); t.test(); } public static class Test{ EntityManagerFactory emf; EntityManager em ... javax.persistence.EntityManager; import javax.persistence. EntityManagerFactory ; import javax

here . You will have to configure the EntityManagerFactory creation to accept a parameter, if you want ... the entityManagerFactory bean which I don't use. public EntityManager getEntityManger () { String tenantId = ThreadContext ... to create the entityManagerFactory bean for startup or else I am getting an error "Caused by: org

Jakarta Persistence (JPA) Annotation Type jakarta.persistence.PersistenceUnit Implemented Interfaces: Annotation Target: Type, Method, Field Expresses a dependency on an EntityManagerFactory and its associated persistence unit. Since: Jakarta Persistence (JPA) 1.0 Annotation Elements String name

( entityManagerFactory ().getNativeEntityManagerFactory()); transactionManager.afterPropertiesSet ... LocalContainerEntityManagerFactoryBean entityManagerFactory () throws ClassNotFoundException ... { // Injected database connection: @PersistenceUnit(unitName="pu") EntityManagerFactory

be able to inject EntityManagerFactory to my beans. Could you help me on this? vachagan Vachagan ... (" entityManagerFactory "); } @Bean public JpaTransactionManager transactionManager() throws ... .setEntityManagerFactory( entityManagerFactory ()); return transactionManager; } @Bean public

LocalContainerEntityManagerFactoryBean entityManagerFactory ( @Qualifier("dataSource") DataSource ... ") LocalContainerEntityManagerFactoryBean entityManagerFactory ) { JpaTransactionManager transactionManager = new JpaTransactionManager(); transactionManager.setEntityManagerFactory( entityManagerFactory .getObject()); return

) {         EntityManagerFactory emf = ( EntityManagerFactory ... .persistence.*; public final class T1522 {     static EntityManagerFactory emf =   ... have updated my code to just use a static EntityManagerFactory so I don't think

Jared Hinze This may happen if the EntityManagerFactory (or PersistenceManagerFactory if you use JDO ... this is the only EntityManagerFactory instance in your application verify that emf.close is indeed reached and executed (e.g ... simple as I can make it. public class Main extends Application { private static EntityManagerFactory

GENERATE_PERSONS_COUNT = 1000;         private EntityManagerFactory entityManagerFactory ;         private EntityManager entityManager ... ;           entityManagerFactory = Persistence

.persistence.EntityManager; import javax.persistence. EntityManagerFactory ; import javax.persistence ... Subject subject; private CallbackHandler callbackHandler; private EntityManagerFactory entityManagerFactory ; private EntityManager entityManager; protected Map sharedState = new HashMap (); private

.EnableTransactionManagement; import javax.persistence. EntityManagerFactory ; import java.util.Properties ... ", // your Spring Data JPA repos entityManagerFactoryRef = " entityManagerFactory ", transactionManagerRef = "transactionManager" ) public class ObjectDbConfig { @Bean(name = " entityManagerFactory ") public

EntityManagerFactory emf;        private EntityManager em;        ... EntityManagerFactory emf;       private EntityManager em;       public ... EntityManagerFactory createEntityManagerFactory(String persistenceUnitName) { return createEntityManagerFactory

Support Thanks for feedback, I have read the provided links. From  EntityManagerFactory ... ) the drop parameter has to be specified:   EntityManagerFactory emf =      ... EntityManagerFactory from EntityManager.getEntityManagerFactory, but by then it is constructed and I can't

one plugin or several plugins seems to be using one or more EntityManagerFactory / EntityManager ... that the same EntityManager (not just the same  EntityManagerFactory ) is used by ... void main(String[] args) {         EntityManagerFactory emf =  

.EntityManager; import javax.persistence. EntityManagerFactory ; import javax.persistence.FetchType; import javax ... ;   EntityManagerFactory entityManagerFactory = Persistence.createEntityManagerFactory("objectdbsscce.odb");     entityManager = entityManagerFactory .createEntityManager

to which we continuously have a connection (open EntityManagerFactory ). For each user action we create an EntityManager ... . EntityManagerFactory ; import javax.persistence.FlushModeType; import javax.persistence.Persistence ... static void createDB(String db) {   EntityManagerFactory emf = Persistence

has been closed. See Also: EntityManagerFactory ::getCriteriaBuilder() Since: Jakarta Persistence (JPA) 2.0

if the query result is found to not be assignable to the specified type. See Also: EntityManagerFactory

Jakarta Persistence (JPA) Method in jakarta.persistence.EntityGraph String getName() Return the name of a named EntityGraph (an entity graph defined by means of the NamedEntityGraph annotation, XML descriptor element, or added by means of the EntityManagerFactory .addNamedEntityGraph method

Would this be correct?     public List read() { EntityManagerFactory emf ... () { EntityManagerFactory emf = Persistence.createEntityManagerFactory(       ... and see if it works. It would be more efficient to avoid creating and closing EntityManagerFactory instances

to obtain a connection from a closed EntityManagerFactory at com.objectdb.o._PersistenceException.b ... a connection from a closed EntityManagerFactory at com.objectdb.o.MSG.d(MSG.java:61) at com.objectdb.o.OMF ... : Attempt to obtain a connection from a closed EntityManagerFactory at com.objectdb.o

.EntityManager; import javax.persistence. EntityManagerFactory ; import javax.persistence.LockModeType; import ... ;       EntityManagerFactory emf = Persistence.createEntityManagerFactory ... javax.persistence.EntityManager; import javax.persistence. EntityManagerFactory ; import javax

. EntityManagerFactory ; import javax.persistence.Persistence; public final class Test { public static void main(String[] args) {   System.out.println("start");   EntityManagerFactory emf = Persistence   ... .EntityManager; import javax.persistence. EntityManagerFactory ; import javax.persistence.Persistence; public

. EntityManagerFactory ; import javax.persistence.Id; import javax.persistence.ManyToMany; import javax ... ;      EntityManagerFactory emf = Persistence.createEntityManagerFactory ... ; EntityManagerFactory emf = Persistence.createEntityManagerFactory("objectdb:$objectdb/db/test.tmp;drop");  

when everything is done after closing the database? Closing the EntityManagerFactory should complete ... scenarios in which after ordinary  close (of the EntityManagerFactory , not just ... after flush that is not closed). It is a good practice to use a long-lived EntityManagerFactory

with server, in client server mode.    1) EntityManagerFactory emf = Persistence ... ) EntityManagerFactory emf = Persistence.createEntityManagerFactory("objectdb://localhost:6137 ... ; EntityManagerFactory emf = Persistence.createEntityManagerFactory("objectdb:testmemory.mem");  

and closing the creation of EntityManagerFactory or of EntityManager? Is it possible to ask if the ODB ... EmbeddedSystems We can add the following code block after creating the EntityManagerFactory . this. entityManagerFactory = createEntityManagerFactory(....); //trigger the ODB IndexActivation. It failed

with the Persistence api: EntityManagerFactory emf = Persistence.createEntitManagerFactory("project.odb"); //this set ... ; This simple program: import javax.persistence.Entity; import javax.persistence. EntityManagerFactory ... (String[] args) {         EntityManagerFactory emf =   

when the user logs out, as well as EntityManagerFactory . We use em.clear() after every commit ... The heap dump indicates that 9 EntityManagerFactory instances have been created and have not been closed, and ObjectDB is very sensitive for closing every opened EntityManagerFactory . Please try build

an EntityManagerFactory . But when using ObjectDB you can either define a standard persistence unit in ... :' EntityManagerFactory emf = Persistence.createEntityManagerFactory("$objectdb/db/points.odb"); But if you are not using an explicit EntityManagerFactory it is not clear to me how to "inject" easily specs

EntityManagerFactory   EntityManagerFactory emf = Persistence . createEntityManagerFactory ( "objectdb-unit ... : EntityManagerFactory emf = Persistence . createEntityManagerFactory (     

. EntityManagerFactory .doFilter( EntityManagerFactory .java:158) at org.apache.catalina.core ... .persistence. EntityManagerFactory emf =         Persistence ... .fastmodel.fastplan.db. EntityManagerFactory .contextInitialized( EntityManagerFactory .java:55) at org.apache

.persistence. EntityManagerFactory ; import javax.persistence.Persistence; public final class F328 { public static void main(String[] args) {   EntityManagerFactory emf = Persistence ... ; import javax.persistence. EntityManagerFactory ; import javax.persistence.Persistence; public final

(String[] args) throws Exception { EntityManagerFactory emf = Persistence.createEntityManagerFactory ... ;            entityManager = entityManagerFactory .createEntityManager ... .no-schema-upgrade", "true"); EntityManagerFactory emf = Persistence.createEntityManagerFactory("D:\\odb

.EntityManager; import javax.persistence. EntityManagerFactory ; import javax.persistence.FetchType; import ... ; EntityManagerFactory emf = Persistence.createEntityManagerFactory("objectdb:$objectdb/db/test.tmp;drop");   ... ; EntityManagerFactory emf =            

; Thanks! Trianglehead Json Error You have 168 EntityManagerFactory instances. Do you access 168 ... one EntityManagerFactory instance, use it for creating multiple EntityManager instances, and remember to close each EntityManagerFactory and EntityManager instance at the end of use. support Support Hi I think